Humerus Bone of Galecyon (IMAGE) Society of Vertebrate Paleontology Caption Here is the humerus (arm) bone of Galecyon in anterior (front view). Credit Image by S. Zack. Usage Restrictions <p>Please contact S. Zack for permission to use this image. <br>SHAWN P. ZACK <br>Department of Basic Medical Sciences <br>University of Arizona College of Medicine-Phoenix <br>Phoenix, Arizona 85004, U.S.A. <br><a href="mailto:zack@email.arizona.edu">zack@email.arizona.edu</a> License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.